How many CVEs have patched httpd_ws_get_response_subprotocol?

1 published CVEs changed httpd_ws_get_response_subprotocol in espressif/esp-idf, in 3 distinct patches totalling 9 changed lines, between 2026 and 2026.

What is the latest CVE that changed httpd_ws_get_response_subprotocol?

CVE-2026-45541 (ESF-IDF: Remote Null Pointer Dereference in WebSocket Server), published 2026-06-10, changed lines 85 to 93 of components/esp_http_server/src/httpd_ws.c.

How does httpd_ws_get_response_subprotocol compare to the rest of espressif/esp-idf?

espressif/esp-idf has 17 CVEs with a located fix in total; 1 of them changed httpd_ws_get_response_subprotocol.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Httpd_ws_get_response_subprotocol

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
Espressif
Esp Idf
Httpd_ws_get_response_subprotocol

httpd_ws_get_response_subprotocol in espressif/esp-idf: Patched by 1 CVEs

espressif/esp-idf

Function

httpd_ws_get_response_subprotocol

Name: httpd_ws_get_response_subprotocol in espressif/esp-idf: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

components/esp_http_server/src/httpd_ws.c

Last patched June 10, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

httpd_ws_get_response_subprotocol in espressif/esp-idf was changed by 1 published CVE fixes in 2026, in 3 distinct patches that added or removed 9 lines in total.

espressif/esp-idf has 17 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed httpd_ws_get_response_subprotocol, newest first, with the lines each fix touched.

ESF-IDF: Remote Null Pointer Dereference in WebSocket Server
CVE-2026-45541 · lines 85–93 · +6 −3
High · CVSS 7.5
EPSS 0.8%2026-06-10

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Other hotspots in the repository

Functions in espressif/esp-idf changed by the most CVE fixes.

jpeg_parse_dqt_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c jpeg_parse_appn_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c jpeg_parse_dht_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c protocomm_ble_cleanup2 CVEs · components/protocomm/src/transports/protocomm_ble.c prepare_write_event_env2 CVEs · components/protocomm/src/transports/protocomm_ble.c handle_to_handler2 CVEs · components/protocomm/src/transports/protocomm_ble.c

All patched functions in espressif/esp-idf

Frequently asked questions

Common questions about CVE fixes to httpd_ws_get_response_subprotocol.

How many CVEs have patched httpd_ws_get_response_subprotocol?: 1 published CVEs changed httpd_ws_get_response_subprotocol in espressif/esp-idf, in 3 distinct patches totalling 9 changed lines, between 2026 and 2026.
What is the latest CVE that changed httpd_ws_get_response_subprotocol?: CVE-2026-45541 (ESF-IDF: Remote Null Pointer Dereference in WebSocket Server), published 2026-06-10, changed lines 85 to 93 of components/esp_http_server/src/httpd_ws.c.
How does httpd_ws_get_response_subprotocol compare to the rest of espressif/esp-idf?: espressif/esp-idf has 17 CVEs with a located fix in total; 1 of them changed httpd_ws_get_response_subprotocol.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

components/esp_http_server/src/httpd_ws.c on GitHub (opens in a new tab)
All patched functions in espressif/esp-idf
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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